Data, Databases & Streaming

9+ min ago   (205+ words) At twenty past eleven on a Tuesday in June our order database stopped accepting writes. Reads worked. Every insert, update and delete failed with database is not accepting commands to avoid wraparound data loss. Autovacuum had been running anti wraparound…...

10+ min ago   (321+ words) In August a node in our production cluster came under memory pressure and the kubelet evicted every checkout pod on it, while pods of other services on the same node, using more memory, stayed put. Checkout lost a third of…...

11+ min ago   (207+ words) When building real-time clinical AI systems and temporal digital twin simulators, latency and resilience are not just performance metrics—they are hard reliability requirements. Every clinical evaluation or simulation needs sub-millisecond repeatability, but cloud network hiccups or unprovisioned tables should…...

1+ hour, 6+ min ago   (1235+ words) This article was written with the assistance of AI, under human supervision and review. Most SQLite integration problems in Node.js stem from the gap between needing a simple embedded database and the friction of compiling native modules. Teams reach…...

5+ hour, 9+ min ago   (737+ words) Polars pairs a Rust engine with column-based storage and multi-core execution to cut wasted work in Python pipelines. Lazy mode builds a full query plan first, so rows can be filtered and columns selected before the heavy work starts. Fair…...

1+ hour, 51+ min ago   (1362+ words) Strangler fig, branch by abstraction, vertical slicing: the strategy decides whether a frontend migration ships, more than the framework you move to. Here's how each one works, where each one bites, and how we combine them on real projects. Teams…...

2+ hour, 41+ min ago   (742+ words) A measurement that returns zero is often the most informative result in a set, provided the query behind it was the right one. The RethinkDB pair shows both halves of that statement. The two measurements Both queries ran on 2026-10-02 in…...

2+ hour, 49+ min ago   (667+ words) Every tracking integration I have seen trusts one thing it should not: that the newest event attached to a tracking number describes the shipment you are looking at. Most of the time it does. Then a support ticket arrives saying…...

3+ hour, 1+ min ago   (1303+ words) A small service can run happily on SQLite for months, then begin throwing database is locked as soon as two background workers start processing jobs. Switching to Write-Ahead Logging (WAL) often improves the situation, but it does not turn SQLite…...

3+ hour, 21+ min ago   (1088+ words) For the past week I’ve been working on Apache Hop, an open-source tool for building data pipelines. My goal was to let Hop read and write Apache Iceberg tables on its own, without needing a Spark cluster. That work is…...